2018 Toyota Prius coolant capacity
The 2018 Toyota Prius holds about 7.3 to 7.6 quarts of coolant, depending on the engine - the full cooling-system capacity when cold.
Key takeaways
- The 2018 Toyota Prius holds about 7.3 to 7.6 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Refill to the marked level, and use the coolant type your owner's manual specifies.
| Engine | Capacity | Liters |
|---|---|---|
| Plug-in Hybrid W3 | 7.6 qt | 7.2 L |
| +, Prius v W4 | 7.3 qt | 6.9 L |
When refilling, add coolant to the marked level rather than forcing in the full figure. Source.